<?php
/*~ class.phpmailer.php
 .---------------------------------------------------------------------------.
|  Software: PHPMailer - PHP email class                                    |
|   Version: 5.2.6                                                          |
|      Site: https://github.com/PHPMailer/PHPMailer/                        |
| ------------------------------------------------------------------------- |
|    Admins: Marcus Bointon                                                 |
|    Admins: Jim Jagielski                                                  |
|   Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net |
|          : Marcus Bointon (coolbru) phpmailer@synchromedia.co.uk          |
|          : Jim Jagielski (jimjag) jimjag@gmail.com                        |
|   Founder: Brent R. Matzelle (original founder)                           |
| Copyright (c) 2010-2012, Jim Jagielski. All Rights Reserved.              |
| Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved.               |
| Copyright (c) 2001-2003, Brent R. Matzelle                                |
| ------------------------------------------------------------------------- |
|   License: Distributed under the Lesser General Public License (LGPL)     |
|            http://www.gnu.org/copyleft/lesser.html                        |
| This program is distributed in the hope that it will be useful - WITHOUT  |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     |
| FITNESS FOR A PARTICULAR PURPOSE.                                         |
'---------------------------------------------------------------------------'
*/

/**
 * PHPMailer - PHP email creation and transport class
 * NOTE: Requires PHP version 5 or later
 *
 * @package   PHPMailer
 * @author    Andy Prevost
 * @author    Marcus Bointon
 * @author    Jim Jagielski
 * @copyright 2010 - 2012 Jim Jagielski
 * @copyright 2004 - 2009 Andy Prevost
 * @license   http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 */

if (version_compare(PHP_VERSION, '5.0.0', '<'))
{
	exit("Sorry, PHPMailer will only run on PHP version 5 or greater!\n");
}

/**
 * PHP email creation and transport class
 *
 * @package PHPMailer
 */
class PHPMailer {

	/////////////////////////////////////////////////
	// PROPERTIES, PUBLIC
	/////////////////////////////////////////////////

	/**
	 * Email priority (1 = High, 3 = Normal, 5 = low).
	 *
	 * @var int
	 */
	public $Priority = 3;

	/**
	 * Sets the CharSet of the message.
	 *
	 * @var string
	 */
	public $CharSet = 'iso-8859-1';

	/**
	 * Sets the Content-type of the message.
	 *
	 * @var string
	 */
	public $ContentType = 'text/plain';

	/**
	 * Sets the Encoding of the message. Options for this are
	 *  "8bit", "7bit", "binary", "base64", and "quoted-printable".
	 *
	 * @var string
	 */
	public $Encoding = '8bit';

	/**
	 * Holds the most recent mailer error message.
	 *
	 * @var string
	 */
	public $ErrorInfo = '';

	/**
	 * Sets the From email address for the message.
	 *
	 * @var string
	 */
	public $From = 'root@localhost';

	/**
	 * Sets the From name of the message.
	 *
	 * @var string
	 */
	public $FromName = 'Root User';

	/**
	 * Sets the Sender email (Return-Path) of the message.
	 * If not empty, will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
	 *
	 * @var string
	 */
	public $Sender = '';

	/**
	 * Sets the Return-Path of the message.  If empty, it will
	 * be set to either From or Sender.
	 *
	 * @var string
	 */
	public $ReturnPath = '';

	/**
	 * Sets the Subject of the message.
	 *
	 * @var string
	 */
	public $Subject = '';

	/**
	 * An HTML or plain text message body.
	 * If HTML then call IsHTML(true).
	 *
	 * @var string
	 */
	public $Body = '';

	/**
	 * The plain-text message body.
	 * This body can be read by mail clients that do not have HTML email
	 * capability such as mutt & Eudora.
	 * Clients that can read HTML will view the normal Body.
	 *
	 * @var string
	 */
	public $AltBody = '';

	/**
	 * An iCal message part body
	 * Only supported in simple alt or alt_inline message types
	 * To generate iCal events, use the bundled extras/EasyPeasyICS.php class or iCalcreator
	 *
	 * @link http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/
	 * @link http://kigkonsult.se/iCalcreator/
	 * @var string
	 */
	public $Ical = '';

	/**
	 * Stores the complete compiled MIME message body.
	 *
	 * @var string
	 * @access protected
	 */
	protected $MIMEBody = '';

	/**
	 * Stores the complete compiled MIME message headers.
	 *
	 * @var string
	 * @access protected
	 */
	protected $MIMEHeader = '';

	/**
	 * Stores the extra header list which CreateHeader() doesn't fold in
	 *
	 * @var string
	 * @access protected
	 */
	protected $mailHeader = '';

	/**
	 * Sets word wrapping on the body of the message to a given number of
	 * characters.
	 *
	 * @var int
	 */
	public $WordWrap = 0;

	/**
	 * Method to send mail: ("mail", "sendmail", or "smtp").
	 *
	 * @var string
	 */
	public $Mailer = 'mail';

	/**
	 * Sets the path of the sendmail program.
	 *
	 * @var string
	 */
	public $Sendmail = '/usr/sbin/sendmail';

	/**
	 * Determine if mail() uses a fully sendmail compatible MTA that
	 * supports sendmail's "-oi -f" options
	 *
	 * @var boolean
	 */
	public $UseSendmailOptions = true;

	/**
	 * Path to PHPMailer plugins.  Useful if the SMTP class
	 * is in a different directory than the PHP include path.
	 *
	 * @var string
	 */
	public $PluginDir = '';

	/**
	 * Sets the email address that a reading confirmation will be sent.
	 *
	 * @var string
	 */
	public $ConfirmReadingTo = '';

	/**
	 * Sets the hostname to use in Message-Id and Received headers
	 * and as default HELO string. If empty, the value returned
	 * by SERVER_NAME is used or 'localhost.localdomain'.
	 *
	 * @var string
	 */
	public $Hostname = '';

	/**
	 * Sets the message ID to be used in the Message-Id header.
	 * If empty, a unique id will be generated.
	 *
	 * @var string
	 */
	public $MessageID = '';

	/**
	 * Sets the message Date to be used in the Date header.
	 * If empty, the current date will be added.
	 *
	 * @var string
	 */
	public $MessageDate = '';

	/////////////////////////////////////////////////
	// PROPERTIES FOR SMTP
	/////////////////////////////////////////////////

	/**
	 * Sets the SMTP hosts.
	 *
	 * All hosts must be separated by a
	 * semicolon.  You can also specify a different port
	 * for each host by using this format: [hostname:port]
	 * (e.g. "smtp1.example.com:25;smtp2.example.com").
	 * Hosts will be tried in order.
	 *
	 * @var string
	 */
	public $Host = 'localhost';

	/**
	 * Sets the default SMTP server port.
	 *
	 * @var int
	 */
	public $Port = 25;

	/**
	 * Sets the SMTP HELO of the message (Default is $Hostname).
	 *
	 * @var string
	 */
	public $Helo = '';

	/**
	 * Sets connection prefix. Options are "", "ssl" or "tls"
	 *
	 * @var string
	 */
	public $SMTPSecure = '';

	/**
	 * Sets SMTP authentication. Utilizes the Username and Password variables.
	 *
	 * @var bool
	 */
	public $SMTPAuth = false;

	/**
	 * Sets SMTP username.
	 *
	 * @var string
	 */
	public $Username = '';

	/**
	 * Sets SMTP password.
	 *
	 * @var string
	 */
	public $Password = '';

	/**
	 *  Sets SMTP auth type. Options are LOGIN | PLAIN | NTLM | CRAM-MD5 (default LOGIN)
	 *
	 * @var string
	 */
	public $AuthType = '';

	/**
	 *  Sets SMTP realm.
	 *
	 * @var string
	 */
	public $Realm = '';

	/**
	 *  Sets SMTP workstation.
	 *
	 * @var string
	 */
	public $Workstation = '';

	/**
	 * Sets the SMTP server timeout in seconds.
	 * This function will not work with the win32 version.
	 *
	 * @var int
	 */
	public $Timeout = 10;

	/**
	 * Sets SMTP class debugging on or off.
	 *
	 * @var bool
	 */
	public $SMTPDebug = false;

	/**
	 * Sets the function/method to use for debugging output.
	 * Right now we only honor "echo" or "error_log"
	 *
	 * @var string
	 */
	public $Debugoutput = "echo";

	/**
	 * Prevents the SMTP connection from being closed after each mail
	 * sending.  If this is set to true then to close the connection
	 * requires an explicit call to SmtpClose().
	 *
	 * @var bool
	 */
	public $SMTPKeepAlive = false;

	/**
	 * Provides the ability to have the TO field process individual
	 * emails, instead of sending to entire TO addresses
	 *
	 * @var bool
	 */
	public $SingleTo = false;

	/**
	 * Should we generate VERP addresses when sending via SMTP?
	 *
	 * @link http://en.wikipedia.org/wiki/Variable_envelope_return_path
	 * @var bool
	 */
	public $do_verp = false;

	/**
	 * If SingleTo is true, this provides the array to hold the email addresses
	 *
	 * @var bool
	 */
	public $SingleToArray = array();

	/**
	 * Should we allow sending messages with empty body?
	 *
	 * @var bool
	 */
	public $AllowEmpty = false;

	/**
	 * Provides the ability to change the generic line ending
	 * NOTE: The default remains '\n'. We force CRLF where we KNOW
	 *        it must be used via self::CRLF
	 *
	 * @var string
	 */
	public $LE = "\n";

	/**
	 * Used with DKIM Signing
	 * required parameter if DKIM is enabled
	 *
	 * domain selector example domainkey
	 *
	 * @var string
	 */
	public $DKIM_selector = '';

	/**
	 * Used with DKIM Signing
	 * required if DKIM is enabled, in format of email address 'you@yourdomain.com' typically used as the source of the email
	 *
	 * @var string
	 */
	public $DKIM_identity = '';

	/**
	 * Used with DKIM Signing
	 * optional parameter if your private key requires a passphras
	 *
	 * @var string
	 */
	public $DKIM_passphrase = '';

	/**
	 * Used with DKIM Singing
	 * required if DKIM is enabled, in format of email address 'domain.com'
	 *
	 * @var string
	 */
	public $DKIM_domain = '';

	/**
	 * Used with DKIM Signing
	 * required if DKIM is enabled, path to private key file
	 *
	 * @var string
	 */
	public $DKIM_private = '';

	/**
	 * Callback Action function name.
	 * The function that handles the result of the send email action.
	 * It is called out by Send() for each email sent.
	 *
	 * Value can be:
	 * - 'function_name' for function names
	 * - 'Class::Method' for static method calls
	 * - array($object, 'Method') for calling methods on $object
	 * See http://php.net/is_callable manual page for more details.
	 *
	 * Parameters:
	 *   bool    $result        result of the send action
	 *   string  $to            email address of the recipient
	 *   string  $cc            cc email addresses
	 *   string  $bcc           bcc email addresses
	 *   string  $subject       the subject
	 *   string  $body          the email body
	 *   string  $from          email address of sender
	 *
	 * @var string
	 */
	public $action_function = ''; //'callbackAction';

	/**
	 * Sets the PHPMailer Version number
	 *
	 * @var string
	 */
	public $Version = '5.2.6';

	/**
	 * What to use in the X-Mailer header
	 *
	 * @var string NULL for default, whitespace for None, or actual string to use
	 */
	public $XMailer = '';

	/////////////////////////////////////////////////
	// PROPERTIES, PRIVATE AND PROTECTED
	/////////////////////////////////////////////////

	/**
	 * @var SMTP An instance of the SMTP sender class
	 * @access protected
	 */
	protected $smtp = null;
	/**
	 * @var array An array of 'to' addresses
	 * @access protected
	 */
	protected $to = array();
	/**
	 * @var array An array of 'cc' addresses
	 * @access protected
	 */
	protected $cc = array();
	/**
	 * @var array An array of 'bcc' addresses
	 * @access protected
	 */
	protected $bcc = array();
	/**
	 * @var array An array of reply-to name and address
	 * @access protected
	 */
	protected $ReplyTo = array();
	/**
	 * @var array An array of all kinds of addresses: to, cc, bcc, replyto
	 * @access protected
	 */
	protected $all_recipients = array();
	/**
	 * @var array An array of attachments
	 * @access protected
	 */
	protected $attachment = array();
	/**
	 * @var array An array of custom headers
	 * @access protected
	 */
	protected $CustomHeader = array();
	/**
	 * @var string The message's MIME type
	 * @access protected
	 */
	protected $message_type = '';
	/**
	 * @var array An array of MIME boundary strings
	 * @access protected
	 */
	protected $boundary = array();
	/**
	 * @var array An array of available languages
	 * @access protected
	 */
	protected $language = array();
	/**
	 * @var integer The number of errors encountered
	 * @access protected
	 */
	protected $error_count = 0;
	/**
	 * @var string The filename of a DKIM certificate file
	 * @access protected
	 */
	protected $sign_cert_file = '';
	/**
	 * @var string The filename of a DKIM key file
	 * @access protected
	 */
	protected $sign_key_file = '';
	/**
	 * @var string The password of a DKIM key
	 * @access protected
	 */
	protected $sign_key_pass = '';
	/**
	 * @var boolean Whether to throw exceptions for errors
	 * @access protected
	 */
	protected $exceptions = false;

	/////////////////////////////////////////////////
	// CONSTANTS
	/////////////////////////////////////////////////

	const STOP_MESSAGE = 0; // message only, continue processing
	const STOP_CONTINUE = 1; // message?, likely ok to continue processing
	const STOP_CRITICAL = 2; // message, plus full stop, critical error reached
	const CRLF = "\r\n"; // SMTP RFC specified EOL

	/////////////////////////////////////////////////
	// METHODS, VARIABLES
	/////////////////////////////////////////////////

	/**
	 * Calls actual mail() function, but in a safe_mode aware fashion
	 * Also, unless sendmail_path points to sendmail (or something that
	 * claims to be sendmail), don't pass params (not a perfect fix,
	 * but it will do)
	 *
	 * @param string $to      To
	 * @param string $subject Subject
	 * @param string $body    Message Body
	 * @param string $header  Additional Header(s)
	 * @param string $params  Params
	 *
	 * @access private
	 * @return bool
	 */
	private function mail_passthru($to, $subject, $body, $header, $params) {
		if (ini_get('safe_mode') || !($this->UseSendmailOptions))
		{
			$rt = @mail($to, $this->EncodeHeader($this->SecureHeader($subject)), $body, $header);
		}
		else
		{
			$rt = @mail($to, $this->EncodeHeader($this->SecureHeader($subject)), $body, $header, $params);
		}

		return $rt;
	}

	/**
	 * Outputs debugging info via user-defined method
	 *
	 * @param string $str
	 */
	protected function edebug($str) {
		switch ($this->Debugoutput)
		{
			case 'error_log':
				error_log($str);
				break;
			case 'html':
				//Cleans up output a bit for a better looking display that's HTML-safe
				echo htmlentities(preg_replace('/[\r\n]+/', '', $str), ENT_QUOTES, $this->CharSet) . "<br>\n";
				break;
			case 'echo':
			default:
				//Just echoes exactly what was received
				echo $str;
		}
	}

	/**
	 * Constructor
	 *
	 * @param boolean $exceptions Should we throw external exceptions?
	 */
	public function __construct($exceptions = false) {
		$this->exceptions = ($exceptions == true);
	}

	/**
	 * Destructor
	 */
	public function __destruct() {
		if ($this->Mailer == 'smtp')
		{ //Close any open SMTP connection nicely
			$this->SmtpClose();
		}
	}

	/**
	 * Sets message type to HTML.
	 *
	 * @param bool $ishtml
	 *
	 * @return void
	 */
	public function IsHTML($ishtml = true) {
		if ($ishtml)
		{
			$this->ContentType = 'text/html';
		}
		else
		{
			$this->ContentType = 'text/plain';
		}
	}

	/**
	 * Sets Mailer to send message using SMTP.
	 *
	 * @return void
	 */
	public function IsSMTP() {
		$this->Mailer = 'smtp';
	}

	/**
	 * Sets Mailer to send message using PHP mail() function.
	 *
	 * @return void
	 */
	public function IsMail() {
		$this->Mailer = 'mail';
	}

	/**
	 * Sets Mailer to send message using the $Sendmail program.
	 *
	 * @return void
	 */
	public function IsSendmail() {
		if (!stristr(ini_get('sendmail_path'), 'sendmail'))
		{
			$this->Sendmail = '/var/qmail/bin/sendmail';
		}
		$this->Mailer = 'sendmail';
	}

	/**
	 * Sets Mailer to send message using the qmail MTA.
	 *
	 * @return void
	 */
	public function IsQmail() {
		if (stristr(ini_get('sendmail_path'), 'qmail'))
		{
			$this->Sendmail = '/var/qmail/bin/sendmail';
		}
		$this->Mailer = 'sendmail';
	}

	/////////////////////////////////////////////////
	// METHODS, RECIPIENTS
	/////////////////////////////////////////////////

	/**
	 * Adds a "To" address.
	 *
	 * @param string $address
	 * @param string $name
	 *
	 * @return boolean true on success, false if address already used
	 */
	public function AddAddress($address, $name = '') {
		return $this->AddAnAddress('to', $address, $name);
	}

	/**
	 * Adds a "Cc" address.
	 * Note: this function works with the SMTP mailer on win32, not with the "mail" mailer.
	 *
	 * @param string $address
	 * @param string $name
	 *
	 * @return boolean true on success, false if address already used
	 */
	public function AddCC($address, $name = '') {
		return $this->AddAnAddress('cc', $address, $name);
	}

	/**
	 * Adds a "Bcc" address.
	 * Note: this function works with the SMTP mailer on win32, not with the "mail" mailer.
	 *
	 * @param string $address
	 * @param string $name
	 *
	 * @return boolean true on success, false if address already used
	 */
	public function AddBCC($address, $name = '') {
		return $this->AddAnAddress('bcc', $address, $name);
	}

	/**
	 * Adds a "Reply-to" address.
	 *
	 * @param string $address
	 * @param string $name
	 *
	 * @return boolean
	 */
	public function AddReplyTo($address, $name = '') {
		return $this->AddAnAddress('Reply-To', $address, $name);
	}

	/**
	 * Adds an address to one of the recipient arrays
	 * Addresses that have been added already return false, but do not throw exceptions
	 *
	 * @param string $kind    One of 'to', 'cc', 'bcc', 'ReplyTo'
	 * @param string $address The email address to send to
	 * @param string $name
	 *
	 * @throws phpmailerException
	 * @return boolean true on success, false if address already used or invalid in some way
	 * @access protected
	 */
	protected function AddAnAddress($kind, $address, $name = '') {
		if (!preg_match('/^(to|cc|bcc|Reply-To)$/', $kind))
		{
			$this->SetError($this->Lang('Invalid recipient array') . ': ' . $kind);
			if ($this->exceptions)
			{
				throw new phpmailerException('Invalid recipient array: ' . $kind);
			}
			if ($this->SMTPDebug)
			{
				$this->edebug($this->Lang('Invalid recipient array') . ': ' . $kind);
			}

			return false;
		}
		$address = trim($address);
		$name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
		if (!$this->ValidateAddress($address))
		{
			$this->SetError($this->Lang('invalid_address') . ': ' . $address);
			if ($this->exceptions)
			{
				throw new phpmailerException($this->Lang('invalid_address') . ': ' . $address);
			}
			if ($this->SMTPDebug)
			{
				$this->edebug($this->Lang('invalid_address') . ': ' . $address);
			}

			return false;
		}
		if ($kind != 'Reply-To')
		{
			if (!isset($this->all_recipients[strtolower($address)]))
			{
				array_push($this->$kind, array($address, $name));
				$this->all_recipients[strtolower($address)] = true;

				return true;
			}
		}
		else
		{
			if (!array_key_exists(strtolower($address), $this->ReplyTo))
			{
				$this->ReplyTo[strtolower($address)] = array($address, $name);

				return true;
			}
		}

		return false;
	}

	/**
	 * Set the From and FromName properties
	 *
	 * @param string  $address
	 * @param string  $name
	 * @param boolean $auto Whether to also set the Sender address, defaults to true
	 *
	 * @throws phpmailerException
	 * @return boolean
	 */
	public function SetFrom($address, $name = '', $auto = true) {
		$address = trim($address);
		$name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
		if (!$this->ValidateAddress($address))
		{
			$this->SetError($this->Lang('invalid_address') . ': ' . $address);
			if ($this->exceptions)
			{
				throw new phpmailerException($this->Lang('invalid_address') . ': ' . $address);
			}
			if ($this->SMTPDebug)
			{
				$this->edebug($this->Lang('invalid_address') . ': ' . $address);
			}

			return false;
		}
		$this->From = $address;
		$this->FromName = $name;
		if ($auto)
		{
			if (empty($this->Sender))
			{
				$this->Sender = $address;
			}
		}

		return true;
	}

	/**
	 * Check that a string looks roughly like an email address should
	 * Static so it can be used without instantiation, public so people can overload
	 * Conforms to RFC5322: Uses *correct* regex on which FILTER_VALIDATE_EMAIL is
	 * based; So why not use FILTER_VALIDATE_EMAIL? Because it was broken to
	 * not allow a@b type valid addresses :(
	 *
	 * @link      http://squiloople.com/2009/12/20/email-address-validation/
	 * @copyright regex Copyright Michael Rushton 2009-10 | http://squiloople.com/ | Feel free to use and redistribute this code. But please keep this copyright notice.
	 *
	 * @param string $address The email address to check
	 *
	 * @return boolean
	 * @static
	 * @access    public
	 */
	public static function ValidateAddress($address) {
		if (defined('PCRE_VERSION'))
		{ //Check this instead of extension_loaded so it works when that function is disabled
			if (version_compare(PCRE_VERSION, '8.0') >= 0)
			{
				return (boolean)preg_match('/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD', $address);
			}
			else
			{
				//Fall back to an older regex that doesn't need a recent PCRE
				return (boolean)preg_match('/^(?!(?>"?(?>\\\[ -~]|[^"])"?){255,})(?!(?>"?(?>\\\[ -~]|[^"])"?){65,}@)(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*")(?>\.(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*"))*@(?>(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>\.(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?>IPv6:(?>(?>[a-f0-9]{1,4})(?>:[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?::(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?))|(?>(?>IPv6:(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4})?::(?>(?:[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4}):)?))?(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])(?>\.(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD', $address);
			}
		}
		else
		{
			//No PCRE! Do something _very_ approximate!
			//Check the address is 3 chars or longer and contains an @ that's not the first or last char
			return (strlen($address) >= 3 and strpos($address, '@') >= 1 and strpos($address, '@') != strlen($address) - 1);
		}
	}

	/////////////////////////////////////////////////
	// METHODS, MAIL SENDING
	/////////////////////////////////////////////////

	/**
	 * Creates message and assigns Mailer. If the message is
	 * not sent successfully then it returns false.  Use the ErrorInfo
	 * variable to view description of the error.
	 *
	 * @throws phpmailerException
	 * @return bool
	 */
	public function Send() {
		try
		{
			if (!$this->PreSend())
				return false;

			return $this->PostSend();
		} catch (phpmailerException $e)
		{
			$this->mailHeader = '';
			$this->SetError($e->getMessage());
			if ($this->exceptions)
			{
				throw $e;
			}

			return false;
		}
	}

	/**
	 * Prep mail by constructing all message entities
	 *
	 * @throws phpmailerException
	 * @return bool
	 */
	public function PreSend() {
		try
		{
			$this->mailHeader = "";
			if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1)
			{
				throw new phpmailerException($this->Lang('provide_address'), self::STOP_CRITICAL);
			}

			// Set whether the message is multipart/alternative
			if (!empty($this->AltBody))
			{
				$this->ContentType = 'multipart/alternative';
			}

			$this->error_count = 0; // reset errors
			$this->SetMessageType();
			//Refuse to send an empty message unless we are specifically allowing it
			if (!$this->AllowEmpty and empty($this->Body))
			{
				throw new phpmailerException($this->Lang('empty_message'), self::STOP_CRITICAL);
			}

			$this->MIMEHeader = $this->CreateHeader();
			$this->MIMEBody = $this->CreateBody();

			// To capture the complete message when using mail(), create
			// an extra header list which CreateHeader() doesn't fold in
			if ($this->Mailer == 'mail')
			{
				if (count($this->to) > 0)
				{
					$this->mailHeader .= $this->AddrAppend("To", $this->to);
				}
				else
				{
					$this->mailHeader .= $this->HeaderLine("To", "undisclosed-recipients:;");
				}
				$this->mailHeader .= $this->HeaderLine('Subject', $this->EncodeHeader($this->SecureHeader(trim($this->Subject))));
			}

			// digitally sign with DKIM if enabled
			if (!empty($this->DKIM_domain) && !empty($this->DKIM_private) && !empty($this->DKIM_selector) && !empty($this->DKIM_domain) && file_exists($this->DKIM_private))
			{
				$header_dkim = $this->DKIM_Add($this->MIMEHeader . $this->mailHeader, $this->EncodeHeader($this->SecureHeader($this->Subject)), $this->MIMEBody);
				$this->MIMEHeader = str_replace("\r\n", "\n", $header_dkim) . $this->MIMEHeader;
			}

			return true;

		} catch (phpmailerException $e)
		{
			$this->SetError($e->getMessage());
			if ($this->exceptions)
			{
				throw $e;
			}

			return false;
		}
	}

	/**
	 * Actual Email transport function
	 * Send the email via the selected mechanism
	 *
	 * @throws phpmailerException
	 * @return bool
	 */
	public function PostSend() {
		try
		{
			// Choose the mailer and send through it
			switch ($this->Mailer)
			{
				case 'sendmail':
					return $this->SendmailSend($this->MIMEHeader, $this->MIMEBody);
				case 'smtp':
					return $this->SmtpSend($this->MIMEHeader, $this->MIMEBody);
				case 'mail':
					return $this->MailSend($this->MIMEHeader, $this->MIMEBody);
				default:
					return $this->MailSend($this->MIMEHeader, $this->MIMEBody);
			}
		} catch (phpmailerException $e)
		{
			$this->SetError($e->getMessage());
			if ($this->exceptions)
			{
				throw $e;
			}
			if ($this->SMTPDebug)
			{
				$this->edebug($e->getMessage() . "\n");
			}
		}

		return false;
	}

	/**
	 * Sends mail using the $Sendmail program.
	 *
	 * @param string $header The message headers
	 * @param string $body   The message body
	 *
	 * @throws phpmailerException
	 * @access protected
	 * @return bool
	 */
	protected function SendmailSend($header, $body) {
		if ($this->Sender != '')
		{
			$sendmail = sprintf("%s -oi -f%s -t", escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
		}
		else
		{
			$sendmail = sprintf("%s -oi -t", escapeshellcmd($this->Sendmail));
		}
		if ($this->SingleTo === true)
		{
			foreach ($this->SingleToArray as $val)
			{
				if (!@$mail = popen($sendmail, 'w'))
				{
					throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
				}
				fputs($mail, "To: " . $val . "\n");
				fputs($mail, $header);
				fputs($mail, $body);
				$result = pclose($mail);
				// implement call back function if it exists
				$isSent = ($result == 0) ? 1 : 0;
				$this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
				if ($result != 0)
				{
					throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
				}
			}
		}
		else
		{
			if (!@$mail = popen($sendmail, 'w'))
			{
				throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
			}
			fputs($mail, $header);
			fputs($mail, $body);
			$result = pclose($mail);
			// implement call back function if it exists
			$isSent = ($result == 0) ? 1 : 0;
			$this->doCallback($isSent, $this->to, $this->cc, $this->bcc, $this->Subject, $body);
			if ($result != 0)
			{
				throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
			}
		}

		return true;
	}

	/**
	 * Sends mail using the PHP mail() function.
	 *
	 * @param string $header The message headers
	 * @param string $body   The message body
	 *
	 * @throws phpmailerException
	 * @access protected
	 * @return bool
	 */
	protected function MailSend($header, $body) {
		$toArr = array();
		foreach ($this->to as $t)
		{
			$toArr[] = $this->AddrFormat($t);
		}
		$to = implode(', ', $toArr);

		if (empty($this->Sender))
		{
			$params = " ";
		}
		else
		{
			$params = sprintf("-f%s", $this->Sender);
		}
		if ($this->Sender != '' and !ini_get('safe_mode'))
		{
			$old_from = ini_get('sendmail_from');
			ini_set('sendmail_from', $this->Sender);
		}
		$rt = false;
		if ($this->SingleTo === true && count($toArr) > 1)
		{
			foreach ($toArr as $val)
			{
				$rt = $this->mail_passthru($val, $this->Subject, $body, $header, $params);
				// implement call back function if it exists
				$isSent = ($rt == 1) ? 1 : 0;
				$this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
			}
		}
		else
		{
			$rt = $this->mail_passthru($to, $this->Subject, $body, $header, $params);
			// implement call back function if it exists
			$isSent = ($rt == 1) ? 1 : 0;
			$this->doCallback($isSent, $to, $this->cc, $this->bcc, $this->Subject, $body);
		}
		if (isset($old_from))
		{
			ini_set('sendmail_from', $old_from);
		}
		if (!$rt)
		{
			throw new phpmailerException($this->Lang('instantiate'), self::STOP_CRITICAL);
		}

		return true;
	}

	/**
	 * Sends mail via SMTP using PhpSMTP
	 * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
	 *
	 * @param string $header The message headers
	 * @param string $body   The message body
	 *
	 * @throws phpmailerException
	 * @uses   SMTP
	 * @access protected
	 * @return bool
	 */
	protected function SmtpSend($header, $body) {
		//require_once $this->PluginDir . 'class.smtp.php';
		$bad_rcpt = array();

		if (!$this->SmtpConnect())
		{
			throw new phpmailerException($this->Lang('smtp_connect_failed'), self::STOP_CRITICAL);
		}
		$smtp_from = ($this->Sender == '') ? $this->From : $this->Sender;
		if (!$this->smtp->Mail($smtp_from))
		{
			$this->SetError($this->Lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError()));
			throw new phpmailerException($this->ErrorInfo, self::STOP_CRITICAL);
		}

		// Attempt to send attach all recipients
		foreach ($this->to as $to)
		{
			if (!$this->smtp->Recipient($to[0]))
			{
				$bad_rcpt[] = $to[0];
				// implement call back function if it exists
				$isSent = 0;
				$this->doCallback($isSent, $to[0], '', '', $this->Subject, $body);
			}
			else
			{
				// implement call back function if it exists
				$isSent = 1;
				$this->doCallback($isSent, $to[0], '', '', $this->Subject, $body);
			}
		}
		foreach ($this->cc as $cc)
		{
			if (!$this->smtp->Recipient($cc[0]))
			{
				$bad_rcpt[] = $cc[0];
				// implement call back function if it exists
				$isSent = 0;
				$this->doCallback($isSent, '', $cc[0], '', $this->Subject, $body);
			}
			else
			{
				// implement call back function if it exists
				$isSent = 1;
				$this->doCallback($isSent, '', $cc[0], '', $this->Subject, $body);
			}
		}
		foreach ($this->bcc as $bcc)
		{
			if (!$this->smtp->Recipient($bcc[0]))
			{
				$bad_rcpt[] = $bcc[0];
				// implement call back function if it exists
				$isSent = 0;
				$this->doCallback($isSent, '', '', $bcc[0], $this->Subject, $body);
			}
			else
			{
				// implement call back function if it exists
				$isSent = 1;
				$this->doCallback($isSent, '', '', $bcc[0], $this->Subject, $body);
			}
		}


		if (count($bad_rcpt) > 0)
		{ //Create error message for any bad addresses
			$badaddresses = implode(', ', $bad_rcpt);
			throw new phpmailerException($this->Lang('recipients_failed') . $badaddresses);
		}
		if (!$this->smtp->Data($header . $body))
		{
			throw new phpmailerException($this->Lang('data_not_accepted'), self::STOP_CRITICAL);
		}
		if ($this->SMTPKeepAlive == true)
		{
			$this->smtp->Reset();
		}
		else
		{
			$this->smtp->Quit();
			$this->smtp->Close();
		}

		return true;
	}

	/**
	 * Initiates a connection to an SMTP server.
	 * Returns false if the operation failed.
	 *
	 * @param array $options An array of options compatible with stream_context_create()
	 *
	 * @uses   SMTP
	 * @access public
	 * @throws phpmailerException
	 * @return bool
	 */
	public function SmtpConnect($options = array()) {
		if (is_null($this->smtp))
		{
			$this->smtp = new PHPMailer_SMTP;
		}

		//Already connected?
		if ($this->smtp->Connected())
		{
			return true;
		}

		$this->smtp->Timeout = $this->Timeout;
		$this->smtp->do_debug = $this->SMTPDebug;
		$this->smtp->Debugoutput = $this->Debugoutput;
		$this->smtp->do_verp = $this->do_verp;
		$index = 0;
		$tls = ($this->SMTPSecure == 'tls');
		$ssl = ($this->SMTPSecure == 'ssl');
		$hosts = explode(';', $this->Host);
		$lastexception = null;

		foreach ($hosts as $hostentry)
		{
			$hostinfo = array();
			$host = $hostentry;
			$port = $this->Port;
			if (preg_match('/^(.+):([0-9]+)$/', $hostentry, $hostinfo))
			{ //If $hostentry contains 'address:port', override default
				$host = $hostinfo[1];
				$port = $hostinfo[2];
			}
			if ($this->smtp->Connect(($ssl ? 'ssl://' : '') . $host, $port, $this->Timeout, $options))
			{
				try
				{
					if ($this->Helo)
					{
						$hello = $this->Helo;
					}
					else
					{
						$hello = $this->ServerHostname();
					}
					$this->smtp->Hello($hello);

					if ($tls)
					{
						if (!$this->smtp->StartTLS())
						{
							throw new phpmailerException($this->Lang('connect_host'));
						}
						//We must resend HELO after tls negotiation
						$this->smtp->Hello($hello);
					}
					if ($this->SMTPAuth)
					{
						if (!$this->smtp->Authenticate($this->Username, $this->Password, $this->AuthType, $this->Realm, $this->Workstation))
						{
							throw new phpmailerException($this->Lang('authenticate'));
						}
					}

					return true;
				} catch (phpmailerException $e)
				{
					$lastexception = $e;
					//We must have connected, but then failed TLS or Auth, so close connection nicely
					$this->smtp->Quit();
				}
			}
		}

		//If we get here, all connection attempts have failed, so close connection hard
		$this->smtp->Close();
		//As we've caught all exceptions, just report whatever the last one was
		if ($this->exceptions and !is_null($lastexception))
		{
			throw $lastexception;
		}

		return false;
	}

	/**
	 * Closes the active SMTP session if one exists.
	 *
	 * @return void
	 */
	public function SmtpClose() {
		if ($this->smtp !== null)
		{
			if ($this->smtp->Connected())
			{
				$this->smtp->Quit();
				$this->smtp->Close();
			}
		}
	}

	/**
	 * Sets the language for all class error messages.
	 * Returns false if it cannot load the language file.  The default language is English.
	 *
	 * @param string $langcode  ISO 639-1 2-character language code (e.g. Portuguese: "br")
	 * @param string $lang_path Path to the language file directory
	 *
	 * @return bool
	 * @access public
	 */
	function SetLanguage($langcode = 'en', $lang_path = 'language/') {
		//Define full set of translatable strings
		$PHPMAILER_LANG = array(
				'authenticate' => 'SMTP Error: Could not authenticate.',
				'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
				'data_not_accepted' => 'SMTP Error: Data not accepted.',
				'empty_message' => 'Message body empty',
				'encoding' => 'Unknown encoding: ',
				'execute' => 'Could not execute: ',
				'file_access' => 'Could not access file: ',
				'file_open' => 'File Error: Could not open file: ',
				'from_failed' => 'The following From address failed: ',
				'instantiate' => 'Could not instantiate mail function.',
				'invalid_address' => 'Invalid address',
				'mailer_not_supported' => ' mailer is not supported.',
				'provide_address' => 'You must provide at least one recipient email address.',
				'recipients_failed' => 'SMTP Error: The following recipients failed: ',
				'signing' => 'Signing Error: ',
				'smtp_connect_failed' => 'SMTP Connect() failed.',
				'smtp_error' => 'SMTP server error: ',
				'variable_set' => 'Cannot set or reset variable: '
		);
		//Overwrite language-specific strings. This way we'll never have missing translations - no more "language string failed to load"!
		$l = true;
		if ($langcode != 'en')
		{ //There is no English translation file
			$l = @include $lang_path . 'phpmailer.lang-' . $langcode . '.php';
		}
		$this->language = $PHPMAILER_LANG;

		return ($l == true); //Returns false if language not found
	}

	/**
	 * Return the current array of language strings
	 *
	 * @return array
	 */
	public function GetTranslations() {
		return $this->language;
	}

	/////////////////////////////////////////////////
	// METHODS, MESSAGE CREATION
	/////////////////////////////////////////////////

	/**
	 * Creates recipient headers.
	 *
	 * @access public
	 *
	 * @param string $type
	 * @param array  $addr
	 *
	 * @return string
	 */
	public function AddrAppend($type, $addr) {
		$addr_str = $type . ': ';
		$addresses = array();
		foreach ($addr as $a)
		{
			$addresses[] = $this->AddrFormat($a);
		}
		$addr_str .= implode(', ', $addresses);
		$addr_str .= $this->LE;

		return $addr_str;
	}

	/**
	 * Formats an address correctly.
	 *
	 * @access public
	 *
	 * @param string $addr
	 *
	 * @return string
	 */
	public function AddrFormat($addr) {
		if (empty($addr[1]))
		{
			return $this->SecureHeader($addr[0]);
		}
		else
		{
			return $this->EncodeHeader($this->SecureHeader($addr[1]), 'phrase') . " <" . $this->SecureHeader($addr[0]) . ">";
		}
	}

	/**
	 * Wraps message for use with mailers that do not
	 * automatically perform wrapping and for quoted-printable.
	 * Original written by philippe.
	 *
	 * @param string  $message The message to wrap
	 * @param integer $length  The line length to wrap to
	 * @param boolean $qp_mode Whether to run in Quoted-Printable mode
	 *
	 * @access public
	 * @return string
	 */
	public function WrapText($message, $length, $qp_mode = false) {
		$soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;
		// If utf-8 encoding is used, we will need to make sure we don't
		// split multibyte characters when we wrap
		$is_utf8 = (strtolower($this->CharSet) == "utf-8");
		$lelen = strlen($this->LE);
		$crlflen = strlen(self::CRLF);

		$message = $this->FixEOL($message);
		if (substr($message, -$lelen) == $this->LE)
		{
			$message = substr($message, 0, -$lelen);
		}

		$line = explode($this->LE, $message); // Magic. We know FixEOL uses $LE
		$message = '';
		for ($i = 0; $i < count($line); $i++)
		{
			$line_part = explode(' ', $line[$i]);
			$buf = '';
			for ($e = 0; $e < count($line_part); $e++)
			{
				$word = $line_part[$e];
				if ($qp_mode and (strlen($word) > $length))
				{
					$space_left = $length - strlen($buf) - $crlflen;
					if ($e != 0)
					{
						if ($space_left > 20)
						{
							$len = $space_left;
							if ($is_utf8)
							{
								$len = $this->UTF8CharBoundary($word, $len);
							}
							elseif (substr($word, $len - 1, 1) == "=")
							{
								$len--;
							}
							elseif (substr($word, $len - 2, 1) == "=")
							{
								$len -= 2;
							}
							$part = substr($word, 0, $len);
							$word = substr($word, $len);
							$buf .= ' ' . $part;
							$message .= $buf . sprintf("=%s", self::CRLF);
						}
						else
						{
							$message .= $buf . $soft_break;
						}
						$buf = '';
					}
					while (strlen($word) > 0)
					{
						if ($length <= 0)
						{
							break;
						}
						$len = $length;
						if ($is_utf8)
						{
							$len = $this->UTF8CharBoundary($word, $len);
						}
						elseif (substr($word, $len - 1, 1) == "=")
						{
							$len--;
						}
						elseif (substr($word, $len - 2, 1) == "=")
						{
							$len -= 2;
						}
						$part = substr($word, 0, $len);
						$word = substr($word, $len);

						if (strlen($word) > 0)
						{
							$message .= $part . sprintf("=%s", self::CRLF);
						}
						else
						{
							$buf = $part;
						}
					}
				}
				else
				{
					$buf_o = $buf;
					$buf .= ($e == 0) ? $word : (' ' . $word);

					if (strlen($buf) > $length and $buf_o != '')
					{
						$message .= $buf_o . $soft_break;
						$buf = $word;
					}
				}
			}
			$message .= $buf . self::CRLF;
		}

		return $message;
	}

	/**
	 * Finds last character boundary prior to maxLength in a utf-8
	 * quoted (printable) encoded string.
	 * Original written by Colin Brown.
	 *
	 * @access public
	 *
	 * @param string $encodedText utf-8 QP text
	 * @param int    $maxLength   find last character boundary prior to this length
	 *
	 * @return int
	 */
	public function UTF8CharBoundary($encodedText, $maxLength) {
		$foundSplitPos = false;
		$lookBack = 3;
		while (!$foundSplitPos)
		{
			$lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
			$encodedCharPos = strpos($lastChunk, "=");
			if ($encodedCharPos !== false)
			{
				// Found start of encoded character byte within $lookBack block.
				// Check the encoded byte value (the 2 chars after the '=')
				$hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
				$dec = hexdec($hex);
				if ($dec < 128)
				{ // Single byte character.
					// If the encoded char was found at pos 0, it will fit
					// otherwise reduce maxLength to start of the encoded char
					$maxLength = ($encodedCharPos == 0) ? $maxLength : $maxLength - ($lookBack - $encodedCharPos);
					$foundSplitPos = true;
				}
				elseif ($dec >= 192)
				{ // First byte of a multi byte character
					// Reduce maxLength to split at start of character
					$maxLength = $maxLength - ($lookBack - $encodedCharPos);
					$foundSplitPos = true;
				}
				elseif ($dec < 192)
				{ // Middle byte of a multi byte character, look further back
					$lookBack += 3;
				}
			}
			else
			{
				// No encoded character found
				$foundSplitPos = true;
			}
		}

		return $maxLength;
	}


	/**
	 * Set the body wrapping.
	 *
	 * @access public
	 * @return void
	 */
	public function SetWordWrap() {
		if ($this->WordWrap < 1)
		{
			return;
		}

		switch ($this->message_type)
		{
			case 'alt':
			case 'alt_inline':
			case 'alt_attach':
			case 'alt_inline_attach':
				$this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap);
				break;
			default:
				$this->Body = $this->WrapText($this->Body, $this->WordWrap);
				break;
		}
	}

	/**
	 * Assembles message header.
	 *
	 * @access public
	 * @return string The assembled header
	 */
	public function CreateHeader() {
		$result = '';

		// Set the boundaries
		$uniq_id = md5(uniqid(time()));
		$this->boundary[1] = 'b1_' . $uniq_id;
		$this->boundary[2] = 'b2_' . $uniq_id;
		$this->boundary[3] = 'b3_' . $uniq_id;

		if ($this->MessageDate == '')
		{
			$result .= $this->HeaderLine('Date', self::RFCDate());
		}
		else
		{
			$result .= $this->HeaderLine('Date', $this->MessageDate);
		}

		if ($this->ReturnPath)
		{
			$result .= $this->HeaderLine('Return-Path', '<' . trim($this->ReturnPath) . '>');
		}
		elseif ($this->Sender == '')
		{
			$result .= $this->HeaderLine('Return-Path', '<' . trim($this->From) . '>');
		}
		else
		{
			$result .= $this->HeaderLine('Return-Path', '<' . trim($this->Sender) . '>');
		}

		// To be created automatically by mail()
		if ($this->Mailer != 'mail')
		{
			if ($this->SingleTo === true)
			{
				foreach ($this->to as $t)
				{
					$this->SingleToArray[] = $this->AddrFormat($t);
				}
			}
			else
			{
				if (count($this->to) > 0)
				{
					$result .= $this->AddrAppend('To', $this->to);
				}
				elseif (count($this->cc) == 0)
				{
					$result .= $this->HeaderLine('To', 'undisclosed-recipients:;');
				}
			}
		}

		$from = array();
		$from[0][0] = trim($this->From);
		$from[0][1] = $this->FromName;
		$result .= $this->AddrAppend('From', $from);

		// sendmail and mail() extract Cc from the header before sending
		if (count($this->cc) > 0)
		{
			$result .= $this->AddrAppend('Cc', $this->cc);
		}

		// sendmail and mail() extract Bcc from the header before sending
		if ((($this->Mailer == 'sendmail') || ($this->Mailer == 'mail')) && (count($this->bcc) > 0))
		{
			$result .= $this->AddrAppend('Bcc', $this->bcc);
		}

		if (count($this->ReplyTo) > 0)
		{
			$result .= $this->AddrAppend('Reply-To', $this->ReplyTo);
		}

		// mail() sets the subject itself
		if ($this->Mailer != 'mail')
		{
			$result .= $this->HeaderLine('Subject', $this->EncodeHeader($this->SecureHeader($this->Subject)));
		}

		if ($this->MessageID != '')
		{
			$result .= $this->HeaderLine('Message-ID', $this->MessageID);
		}
		else
		{
			$result .= sprintf("Message-ID: <%s@%s>%s", $uniq_id, $this->ServerHostname(), $this->LE);
		}
		$result .= $this->HeaderLine('X-Priority', $this->Priority);
		if ($this->XMailer == '')
		{
			$result .= $this->HeaderLine('X-Mailer', 'PHPMailer ' . $this->Version . ' (https://github.com/PHPMailer/PHPMailer/)');
		}
		else
		{
			$myXmailer = trim($this->XMailer);
			if ($myXmailer)
			{
				$result .= $this->HeaderLine('X-Mailer', $myXmailer);
			}
		}

		if ($this->ConfirmReadingTo != '')
		{
			$result .= $this->HeaderLine('Disposition-Notification-To', '<' . trim($this->ConfirmReadingTo) . '>');
		}

		// Add custom headers
		for ($index = 0; $index < count($this->CustomHeader); $index++)
		{
			$result .= $this->HeaderLine(trim($this->CustomHeader[$index][0]), $this->EncodeHeader(trim($this->CustomHeader[$index][1])));
		}
		if (!$this->sign_key_file)
		{
			$result .= $this->HeaderLine('MIME-Version', '1.0');
			$result .= $this->GetMailMIME();
		}

		return $result;
	}

	/**
	 * Returns the message MIME.
	 *
	 * @access public
	 * @return string
	 */
	public function GetMailMIME() {
		$result = '';
		switch ($this->message_type)
		{
			case 'inline':
				$result .= $this->HeaderLine('Content-Type', 'multipart/related;');
				$result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
				break;
			case 'attach':
			case 'inline_attach':
			case 'alt_attach':
			case 'alt_inline_attach':
				$result .= $this->HeaderLine('Content-Type', 'multipart/mixed;');
				$result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
				break;
			case 'alt':
			case 'alt_inline':
				$result .= $this->HeaderLine('Content-Type', 'multipart/alternative;');
				$result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
				break;
			default:
				// Catches case 'plain': and case '':
				$result .= $this->TextLine('Content-Type: ' . $this->ContentType . '; charset=' . $this->CharSet);
				break;
		}
		//RFC1341 part 5 says 7bit is assumed if not specified
		if ($this->Encoding != '7bit')
		{
			$result .= $this->HeaderLine('Content-Transfer-Encoding', $this->Encoding);
		}

		if ($this->Mailer != 'mail')
		{
			$result .= $this->LE;
		}

		return $result;
	}

	/**
	 * Returns the MIME message (headers and body). Only really valid post PreSend().
	 *
	 * @access public
	 * @return string
	 */
	public function GetSentMIMEMessage() {
		return $this->MIMEHeader . $this->mailHeader . self::CRLF . $this->MIMEBody;
	}


	/**
	 * Assembles the message body.  Returns an empty string on failure.
	 *
	 * @access public
	 * @throws phpmailerException
	 * @return string The assembled message body
	 */
	public function CreateBody() {
		$body = '';

		if ($this->sign_key_file)
		{
			$body .= $this->GetMailMIME() . $this->LE;
		}

		$this->SetWordWrap();

		switch ($this->message_type)
		{
			case 'inline':
				$body .= $this->GetBoundary($this->boundary[1], '', '', '');
				$body .= $this->EncodeString($this->Body, $this->Encoding);
				$body .= $this->LE . $this->LE;
				$body .= $this->AttachAll('inline', $this->boundary[1]);
				break;
			case 'attach':
				$body .= $this->GetBoundary($this->boundary[1], '', '', '');
				$body .= $this->EncodeString($this->Body, $this->Encoding);
				$body .= $this->LE . $this->LE;
				$body .= $this->AttachAll('attachment', $this->boundary[1]);
				break;
			case 'inline_attach':
				$body .= $this->TextLine('--' . $this->boundary[1]);
				$body .= $this->HeaderLine('Content-Type', 'multipart/related;');
				$body .= $this->TextLine("\tboundary=\"" . $this->boundary[2] . '"');
				$body .= $this->LE;
				$body .= $this->GetBoundary($this->boundary[2], '', '', '');
				$body .= $this->EncodeString($this->Body, $this->Encoding);
				$body .= $this->LE . $this->LE;
				$body .= $this->AttachAll('inline', $this->boundary[2]);
				$body .= $this->LE;
				$body .= $this->AttachAll('attachment', $this->boundary[1]);
				break;
			case 'alt':
				$body .= $this->GetBoundary($this->boundary[1], '', 'text/plain', '');
				$body .= $this->EncodeString($this->AltBody, $this->Encoding);
				$body .= $this->LE . $this->LE;
				$body .= $this->GetBoundary($this->boundary[1], '', 'text/html', '');
				$body .= $this->EncodeString($this->Body, $this->Encoding);
				$body .= $this->LE . $this->LE;
				if (!empty($this->Ical))
				{
					$body .= $this->GetBoundary($this->boundary[1], '', 'text/calendar; method=REQUEST', '');
					$body .= $this->EncodeString($this->Ical, $this->Encoding);
					$body .= $this->LE . $this->LE;
				}
				$body .= $this->EndBoundary($this->boundary[1]);
				break;
			case 'alt_inline':
				$body .= $this->GetBoundary($this->boundary[1], '', 'text/plain', '');
				$body .= $this->EncodeString($this->AltBody, $this->Encoding);
				$body .= $this->LE . $this->LE;
				$body .= $this->TextLine('--' . $this->boundary[1]);
				$body .= $this->HeaderLine('Content-Type', 'multipart/related;');
				$body .= $this->TextLine("\tboundary=\"" . $this->boundary[2] . '"');
				$body .= $this->LE;
				$body .= $this->GetBoundary($this->boundary[2], '', 'text/html', '');
				$body .= $this->EncodeString($this->Body, $this->Encoding);
				$body .= $this->LE . $this->LE;
				$body .= $this->AttachAll('inline', $this->boundary[2]);
				$body .= $this->LE;
				$body .= $this->EndBoundary($this->boundary[1]);
				break;
			case 'alt_attach':
				$body .= $this->TextLine('--' . $this->boundary[1]);
				$body .= $this->HeaderLine('Content-Type', 'multipart/alternative;');
				$body .= $this->TextLine("\tboundary=\"" . $this->boundary[2] . '"');
				$body .= $this->LE;
				$body .= $this->GetBoundary($this->boundary[2], '', 'text/plain', '');
				$body .= $this->EncodeString($this->AltBody, $this->Encoding);
				$body .= $this->LE . $this->LE;
				$body .= $this->GetBoundary($this->boundary[2], '', 'text/html', '');
				$body .= $this->EncodeString($this->Body, $this->Encoding);
				$body .= $this->LE . $this->LE;
				$body .= $this->EndBoundary($this->boundary[2]);
				$body .= $this->LE;
				$body .= $this->AttachAll('attachment', $this->boundary[1]);
				break;
			case 'alt_inline_attach':
				$body .= $this->TextLine('--' . $this->boundary[1]);
				$body .= $this->HeaderLine('Content-Type', 'multipart/alternative;');
				$body .= $this->TextLine("\tboundary=\"" . $this->boundary[2] . '"');
				$body .= $this->LE;
				$body .= $this->GetBoundary($this->boundary[2], '', 'text/plain', '');
				$body .= $this->EncodeString($this->AltBody, $this->Encoding);
				$body .= $this->LE . $this->LE;
				$body .= $this->TextLine('--' . $this->boundary[2]);
				$body .= $this->HeaderLine('Content-Type', 'multipart/related;');
				$body .= $this->TextLine("\tboundary=\"" . $this->boundary[3] . '"');
				$body .= $this->LE;
				$body .= $this->GetBoundary($this->boundary[3], '', 'text/html', '');
				$body .= $this->EncodeString($this->Body, $this->Encoding);
				$body .= $this->LE . $this->LE;
				$body .= $this->AttachAll('inline', $this->boundary[3]);
				$body .= $this->LE;
				$body .= $this->EndBoundary($this->boundary[2]);
				$body .= $this->LE;
				$body .= $this->AttachAll('attachment', $this->boundary[1]);
				break;
			default:
				// catch case 'plain' and case ''
				$body .= $this->EncodeString($this->Body, $this->Encoding);
				break;
		}

		if ($this->IsError())
		{
			$body = '';
		}
		elseif ($this->sign_key_file)
		{
			try
			{
				if (!defined('PKCS7_TEXT'))
				{
					throw new phpmailerException($this->Lang('signing') . ' OpenSSL extension missing.');
				}
				$file = tempnam(sys_get_temp_dir(), 'mail');
				file_put_contents($file, $body); //TODO check this worked
				$signed = tempnam(sys_get_temp_dir(), 'signed');
				if (@openssl_pkcs7_sign($file, $signed, 'file://' . realpath($this->sign_cert_file), array('file://' . realpath($this->sign_key_file), $this->sign_key_pass), null))
				{
					@unlink($file);
					$body = file_get_contents($signed);
					@unlink($signed);
				}
				else
				{
					@unlink($file);
					@unlink($signed);
					throw new phpmailerException($this->Lang('signing') . openssl_error_string());
				}
			} catch (phpmailerException $e)
			{
				$body = '';
				if ($this->exceptions)
				{
					throw $e;
				}
			}
		}

		return $body;
	}

	/**
	 * Returns the start of a message boundary.
	 *
	 * @access protected
	 *
	 * @param string $boundary
	 * @param string $charSet
	 * @param string $contentType
	 * @param string $encoding
	 *
	 * @return string
	 */
	protected function GetBoundary($boundary, $charSet, $contentType, $encoding) {
		$result = '';
		if ($charSet == '')
		{
			$charSet = $this->CharSet;
		}
		if ($contentType == '')
		{
			$contentType = $this->ContentType;
		}
		if ($encoding == '')
		{
			$encoding = $this->Encoding;
		}
		$result .= $this->TextLine('--' . $boundary);
		$result .= sprintf("Content-Type: %s; charset=%s", $contentType, $charSet);
		$result .= $this->LE;
		$result .= $this->HeaderLine('Content-Transfer-Encoding', $encoding);
		$result .= $this->LE;

		return $result;
	}

	/**
	 * Returns the end of a message boundary.
	 *
	 * @access protected
	 *
	 * @param string $boundary
	 *
	 * @return string
	 */
	protected function EndBoundary($boundary) {
		return $this->LE . '--' . $boundary . '--' . $this->LE;
	}

	/**
	 * Sets the message type.
	 *
	 * @access protected
	 * @return void
	 */
	protected function SetMessageType() {
		$this->message_type = array();
		if ($this->AlternativeExists())
			$this->message_type[] = "alt";
		if ($this->InlineImageExists())
			$this->message_type[] = "inline";
		if ($this->AttachmentExists())
			$this->message_type[] = "attach";
		$this->message_type = implode("_", $this->message_type);
		if ($this->message_type == "")
			$this->message_type = "plain";
	}

	/**
	 * Returns a formatted header line.
	 *
	 * @access public
	 *
	 * @param string $name
	 * @param string $value
	 *
	 * @return string
	 */
	public function HeaderLine($name, $value) {
		return $name . ': ' . $value . $this->LE;
	}

	/**
	 * Returns a formatted mail line.
	 *
	 * @access public
	 *
	 * @param string $value
	 *
	 * @return string
	 */
	public function TextLine($value) {
		return $value . $this->LE;
	}

	/////////////////////////////////////////////////
	// CLASS METHODS, ATTACHMENTS
	/////////////////////////////////////////////////

	/**
	 * Adds an attachment from a path on the filesystem.
	 * Returns false if the file could not be found
	 * or accessed.
	 *
	 * @param string $path     Path to the attachment.
	 * @param string $name     Overrides the attachment name.
	 * @param string $encoding File encoding (see $Encoding).
	 * @param string $type     File extension (MIME) type.
	 *
	 * @throws phpmailerException
	 * @return bool
	 */
	public function AddAttachment($path, $name = '', $encoding = 'base64', $type = '') {
		try
		{
			if (!@is_file($path))
			{
				throw new phpmailerException($this->Lang('file_access') . $path, self::STOP_CONTINUE);
			}

			//If a MIME type is not specified, try to work it out from the file name
			if ($type == '')
			{
				$type = self::filenameToType($path);
			}

			$filename = basename($path);
			if ($name == '')
			{
				$name = $filename;
			}

			$this->attachment[] = array(
					0 => $path,
					1 => $filename,
					2 => $name,
					3 => $encoding,
					4 => $type,
					5 => false, // isStringAttachment
					6 => 'attachment',
					7 => 0
			);

		} catch (phpmailerException $e)
		{
			$this->SetError($e->getMessage());
			if ($this->exceptions)
			{
				throw $e;
			}
			if ($this->SMTPDebug)
			{
				$this->edebug($e->getMessage() . "\n");
			}

			return false;
		}

		return true;
	}

	/**
	 * Return the current array of attachments
	 *
	 * @return array
	 */
	public function GetAttachments() {
		return $this->attachment;
	}

	/**
	 * Attaches all fs, string, and binary attachments to the message.
	 * Returns an empty string on failure.
	 *
	 * @access protected
	 *
	 * @param string $disposition_type
	 * @param string $boundary
	 *
	 * @return string
	 */
	protected function AttachAll($disposition_type, $boundary) {
		// Return text of body
		$mime = array();
		$cidUniq = array();
		$incl = array();

		// Add all attachments
		foreach ($this->attachment as $attachment)
		{
			// CHECK IF IT IS A VALID DISPOSITION_FILTER
			if ($attachment[6] == $disposition_type)
			{
				// Check for string attachment
				$string = '';
				$path = '';
				$bString = $attachment[5];
				if ($bString)
				{
					$string = $attachment[0];
				}
				else
				{
					$path = $attachment[0];
				}

				$inclhash = md5(serialize($attachment));
				if (in_array($inclhash, $incl))
				{
					continue;
				}
				$incl[] = $inclhash;
				$filename = $attachment[1];
				$name = $attachment[2];
				$encoding = $attachment[3];
				$type = $attachment[4];
				$disposition = $attachment[6];
				$cid = $attachment[7];
				if ($disposition == 'inline' && isset($cidUniq[$cid]))
				{
					continue;
				}
				$cidUniq[$cid] = true;

				$mime[] = sprintf("--%s%s", $boundary, $this->LE);
				$mime[] = sprintf("Content-Type: %s; name=\"%s\"%s", $type, $this->EncodeHeader($this->SecureHeader($name)), $this->LE);
				$mime[] = sprintf("Content-Transfer-Encoding: %s%s", $encoding, $this->LE);

				if ($disposition == 'inline')
				{
					$mime[] = sprintf("Content-ID: <%s>%s", $cid, $this->LE);
				}

				//If a filename contains any of these chars, it should be quoted, but not otherwise: RFC2183 & RFC2045 5.1
				//Fixes a warning in IETF's msglint MIME checker
				if (preg_match('/[ \(\)<>@,;:\\"\/\[\]\?=]/', $name))
				{
					$mime[] = sprintf("Content-Disposition: %s; filename=\"%s\"%s", $disposition, $this->EncodeHeader($this->SecureHeader($name)), $this->LE . $this->LE);
				}
				else
				{
					$mime[] = sprintf("Content-Disposition: %s; filename=%s%s", $disposition, $this->EncodeHeader($this->SecureHeader($name)), $this->LE . $this->LE);
				}

				// Encode as string attachment
				if ($bString)
				{
					$mime[] = $this->EncodeString($string, $encoding);
					if ($this->IsError())
					{
						return '';
					}
					$mime[] = $this->LE . $this->LE;
				}
				else
				{
					$mime[] = $this->EncodeFile($path, $encoding);
					if ($this->IsError())
					{
						return '';
					}
					$mime[] = $this->LE . $this->LE;
				}
			}
		}

		$mime[] = sprintf("--%s--%s", $boundary, $this->LE);

		return implode("", $mime);
	}

	/**
	 * Encodes attachment in requested format.
	 * Returns an empty string on failure.
	 *
	 * @param string $path     The full path to the file
	 * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
	 *
	 * @throws phpmailerException
	 * @see    EncodeFile()
	 * @access protected
	 * @return string
	 */
	protected function EncodeFile($path, $encoding = 'base64') {
		try
		{
			if (!is_readable($path))
			{
				throw new phpmailerException($this->Lang('file_open') . $path, self::STOP_CONTINUE);
			}
			$magic_quotes = get_magic_quotes_runtime();
			if ($magic_quotes)
			{
				if (version_compare(PHP_VERSION, '5.3.0', '<'))
				{
					set_magic_quotes_runtime(0);
				}
				else
				{
					ini_set('magic_quotes_runtime', 0);
				}
			}
			$file_buffer = file_get_contents($path);
			$file_buffer = $this->EncodeString($file_buffer, $encoding);
			if ($magic_quotes)
			{
				if (version_compare(PHP_VERSION, '5.3.0', '<'))
				{
					set_magic_quotes_runtime($magic_quotes);
				}
				else
				{
					ini_set('magic_quotes_runtime', $magic_quotes);
				}
			}

			return $file_buffer;
		} catch (Exception $e)
		{
			$this->SetError($e->getMessage());

			return '';
		}
	}

	/**
	 * Encodes string to requested format.
	 * Returns an empty string on failure.
	 *
	 * @param string $str      The text to encode
	 * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
	 *
	 * @access public
	 * @return string
	 */
	public function EncodeString($str, $encoding = 'base64') {
		$encoded = '';
		switch (strtolower($encoding))
		{
			case 'base64':
				$encoded = chunk_split(base64_encode($str), 76, $this->LE);
				break;
			case '7bit':
			case '8bit':
				$encoded = $this->FixEOL($str);
				//Make sure it ends with a line break
				if (substr($encoded, -(strlen($this->LE))) != $this->LE)
					$encoded .= $this->LE;
				break;
			case 'binary':
				$encoded = $str;
				break;
			case 'quoted-printable':
				$encoded = $this->EncodeQP($str);
				break;
			default:
				$this->SetError($this->Lang('encoding') . $encoding);
				break;
		}

		return $encoded;
	}

	/**
	 * Encode a header string to best (shortest) of Q, B, quoted or none.
	 *
	 * @access public
	 *
	 * @param string $str
	 * @param string $position
	 *
	 * @return string
	 */
	public function EncodeHeader($str, $position = 'text') {
		$x = 0;

		switch (strtolower($position))
		{
			case 'phrase':
				if (!preg_match('/[\200-\377]/', $str))
				{
					// Can't use addslashes as we don't know what value has magic_quotes_sybase
					$encoded = addcslashes($str, "\0..\37\177\\\"");
					if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str))
					{
						return ($encoded);
					}
					else
					{
						return ("\"$encoded\"");
					}
				}
				$x = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
				break;
			case 'comment':
				$x = preg_match_all('/[()"]/', $str, $matches);
			// Fall-through
			case 'text':
			default:
				$x += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
				break;
		}

		if ($x == 0)
		{ //There are no chars that need encoding
			return ($str);
		}

		$maxlen = 75 - 7 - strlen($this->CharSet);
		// Try to select the encoding which should produce the shortest output
		if ($x > strlen($str) / 3)
		{ //More than a third of the content will need encoding, so B encoding will be most efficient
			$encoding = 'B';
			if (function_exists('mb_strlen') && $this->HasMultiBytes($str))
			{
				// Use a custom function which correctly encodes and wraps long
				// multibyte strings without breaking lines within a character
				$encoded = $this->Base64EncodeWrapMB($str, "\n");
			}
			else
			{
				$encoded = base64_encode($str);
				$maxlen -= $maxlen % 4;
				$encoded = trim(chunk_split($encoded, $maxlen, "\n"));
			}
		}
		else
		{
			$encoding = 'Q';
			$encoded = $this->EncodeQ($str, $position);
			$encoded = $this->WrapText($encoded, $maxlen, true);
			$encoded = str_replace('=' . self::CRLF, "\n", trim($encoded));
		}

		$encoded = preg_replace('/^(.*)$/m', " =?" . $this->CharSet . "?$encoding?\\1?=", $encoded);
		$encoded = trim(str_replace("\n", $this->LE, $encoded));

		return $encoded;
	}

	/**
	 * Checks if a string contains multibyte characters.
	 *
	 * @access public
	 *
	 * @param string $str multi-byte text to wrap encode
	 *
	 * @return bool
	 */
	public function HasMultiBytes($str) {
		if (function_exists('mb_strlen'))
		{
			return (strlen($str) > mb_strlen($str, $this->CharSet));
		}
		else
		{ // Assume no multibytes (we can't handle without mbstring functions anyway)
			return false;
		}
	}

	/**
	 * Correctly encodes and wraps long multibyte strings for mail headers
	 * without breaking lines within a character.
	 * Adapted from a function by paravoid at http://uk.php.net/manual/en/function.mb-encode-mimeheader.php
	 *
	 * @access public
	 *
	 * @param string $str multi-byte text to wrap encode
	 * @param string $lf  string to use as linefeed/end-of-line
	 *
	 * @return string
	 */
	public function Base64EncodeWrapMB($str, $lf = null) {
		$start = "=?" . $this->CharSet . "?B?";
		$end = "?=";
		$encoded = "";
		if ($lf === null)
		{
			$lf = $this->LE;
		}

		$mb_length = mb_strlen($str, $this->CharSet);
		// Each line must have length <= 75, including $start and $end
		$length = 75 - strlen($start) - strlen($end);
		// Average multi-byte ratio
		$ratio = $mb_length / strlen($str);
		// Base64 has a 4:3 ratio
		$offset = $avgLength = floor($length * $ratio * .75);

		for ($i = 0; $i < $mb_length; $i += $offset)
		{
			$lookBack = 0;

			do
			{
				$offset = $avgLength - $lookBack;
				$chunk = mb_substr($str, $i, $offset, $this->CharSet);
				$chunk = base64_encode($chunk);
				$lookBack++;
			} while (strlen($chunk) > $length);

			$encoded .= $chunk . $lf;
		}

		// Chomp the last linefeed
		$encoded = substr($encoded, 0, -strlen($lf));

		return $encoded;
	}

	/**
	 * Encode string to RFC2045 (6.7) quoted-printable format
	 *
	 * @access public
	 *
	 * @param string  $string   The text to encode
	 * @param integer $line_max Number of chars allowed on a line before wrapping
	 *
	 * @return string
	 * @link   PHP version adapted from http://www.php.net/manual/en/function.quoted-printable-decode.php#89417
	 */
	public function EncodeQP($string, $line_max = 76) {
		if (function_exists('quoted_printable_encode'))
		{ //Use native function if it's available (>= PHP5.3)
			return quoted_printable_encode($string);
		}
		//Fall back to a pure PHP implementation
		$string = str_replace(array('%20', '%0D%0A.', '%0D%0A', '%'), array(' ', "\r\n=2E", "\r\n", '='), rawurlencode($string));
		$string = preg_replace('/[^\r\n]{' . ($line_max - 3) . '}[^=\r\n]{2}/', "$0=\r\n", $string);

		return $string;
	}

	/**
	 * Wrapper to preserve BC for old QP encoding function that was removed
	 *
	 * @see    EncodeQP()
	 * @access public
	 *
	 * @param string  $string
	 * @param integer $line_max
	 * @param bool    $space_conv
	 *
	 * @return string
	 */
	public function EncodeQPphp($string, $line_max = 76, $space_conv = false) {
		return $this->EncodeQP($string, $line_max);
	}

	/**
	 * Encode string to q encoding.
	 *
	 * @link   http://tools.ietf.org/html/rfc2047
	 *
	 * @param string $str      the text to encode
	 * @param string $position Where the text is going to be used, see the RFC for what that means
	 *
	 * @access public
	 * @return string
	 */
	public function EncodeQ($str, $position = 'text') {
		//There should not be any EOL in the string
		$pattern = '';
		$encoded = str_replace(array("\r", "\n"), '', $str);
		switch (strtolower($position))
		{
			case 'phrase':
				$pattern = '^A-Za-z0-9!*+\/ -';
				break;

			case 'comment':
				$pattern = '\(\)"';
			//note that we don't break here!
			//for this reason we build the $pattern without including delimiters and []

			case 'text':
			default:
				//Replace every high ascii, control =, ? and _ characters
				//We put \075 (=) as first value to make sure it's the first one in being converted, preventing double encode
				$pattern = '\075\000-\011\013\014\016-\037\077\137\177-\377' . $pattern;
				break;
		}

		if (preg_match_all("/[{$pattern}]/", $encoded, $matches))
		{
			foreach (array_unique($matches[0]) as $char)
			{
				$encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded);
			}
		}

		//Replace every spaces to _ (more readable than =20)
		return str_replace(' ', '_', $encoded);
	}


	/**
	 * Adds a string or binary attachment (non-filesystem) to the list.
	 * This method can be used to attach ascii or binary data,
	 * such as a BLOB record from a database.
	 *
	 * @param string $string   String attachment data.
	 * @param string $filename Name of the attachment.
	 * @param string $encoding File encoding (see $Encoding).
	 * @param string $type     File extension (MIME) type.
	 *
	 * @return void
	 */
	public function AddStringAttachment($string, $filename, $encoding = 'base64', $type = '') {
		//If a MIME type is not specified, try to work it out from the file name
		if ($type == '')
		{
			$type = self::filenameToType($filename);
		}
		// Append to $attachment array
		$this->attachment[] = array(
				0 => $string,
				1 => $filename,
				2 => basename($filename),
				3 => $encoding,
				4 => $type,
				5 => true, // isStringAttachment
				6 => 'attachment',
				7 => 0
		);
	}

	/**
	 * Add an embedded attachment from a file.
	 * This can include images, sounds, and just about any other document type.
	 *
	 * @param string $path     Path to the attachment.
	 * @param string $cid      Content ID of the attachment; Use this to reference
	 *                         the content when using an embedded image in HTML.
	 * @param string $name     Overrides the attachment name.
	 * @param string $encoding File encoding (see $Encoding).
	 * @param string $type     File MIME type.
	 *
	 * @return bool True on successfully adding an attachment
	 */
	public function AddEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = '') {
		if (!@is_file($path))
		{
			$this->SetError($this->Lang('file_access') . $path);

			return false;
		}

		//If a MIME type is not specified, try to work it out from the file name
		if ($type == '')
		{
			$type = self::filenameToType($path);
		}

		$filename = basename($path);
		if ($name == '')
		{
			$name = $filename;
		}

		// Append to $attachment array
		$this->attachment[] = array(
				0 => $path,
				1 => $filename,
				2 => $name,
				3 => $encoding,
				4 => $type,
				5 => false, // isStringAttachment
				6 => 'inline',
				7 => $cid
		);

		return true;
	}


	/**
	 * Add an embedded stringified attachment.
	 * This can include images, sounds, and just about any other document type.
	 * Be sure to set the $type to an image type for images:
	 * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'.
	 *
	 * @param string $string   The attachment binary data.
	 * @param string $cid      Content ID of the attachment; Use this to reference
	 *                         the content when using an embedded image in HTML.
	 * @param string $name
	 * @param string $encoding File encoding (see $Encoding).
	 * @param string $type     MIME type.
	 *
	 * @return bool True on successfully adding an attachment
	 */
	public function AddStringEmbeddedImage($string, $cid, $name = '', $encoding = 'base64', $type = '') {
		//If a MIME type is not specified, try to work it out from the name
		if ($type == '')
		{
			$type = self::filenameToType($name);
		}

		// Append to $attachment array
		$this->attachment[] = array(
				0 => $string,
				1 => $name,
				2 => $name,
				3 => $encoding,
				4 => $type,
				5 => true, // isStringAttachment
				6 => 'inline',
				7 => $cid
		);

		return true;
	}

	/**
	 * Returns true if an inline attachment is present.
	 *
	 * @access public
	 * @return bool
	 */
	public function InlineImageExists() {
		foreach ($this->attachment as $attachment)
		{
			if ($attachment[6] == 'inline')
			{
				return true;
			}
		}

		return false;
	}

	/**
	 * Returns true if an attachment (non-inline) is present.
	 *
	 * @return bool
	 */
	public function AttachmentExists() {
		foreach ($this->attachment as $attachment)
		{
			if ($attachment[6] == 'attachment')
			{
				return true;
			}
		}

		return false;
	}

	/**
	 * Does this message have an alternative body set?
	 *
	 * @return bool
	 */
	public function AlternativeExists() {
		return !empty($this->AltBody);
	}

	/////////////////////////////////////////////////
	// CLASS METHODS, MESSAGE RESET
	/////////////////////////////////////////////////

	/**
	 * Clears all recipients assigned in the TO array.  Returns void.
	 *
	 * @return void
	 */
	public function ClearAddresses() {
		foreach ($this->to as $to)
		{
			unset($this->all_recipients[strtolower($to[0])]);
		}
		$this->to = array();
	}

	/**
	 * Clears all recipients assigned in the CC array.  Returns void.
	 *
	 * @return void
	 */
	public function ClearCCs() {
		foreach ($this->cc as $cc)
		{
			unset($this->all_recipients[strtolower($cc[0])]);
		}
		$this->cc = array();
	}

	/**
	 * Clears all recipients assigned in the BCC array.  Returns void.
	 *
	 * @return void
	 */
	public function ClearBCCs() {
		foreach ($this->bcc as $bcc)
		{
			unset($this->all_recipients[strtolower($bcc[0])]);
		}
		$this->bcc = array();
	}

	/**
	 * Clears all recipients assigned in the ReplyTo array.  Returns void.
	 *
	 * @return void
	 */
	public function ClearReplyTos() {
		$this->ReplyTo = array();
	}

	/**
	 * Clears all recipients assigned in the TO, CC and BCC
	 * array.  Returns void.
	 *
	 * @return void
	 */
	public function ClearAllRecipients() {
		$this->to = array();
		$this->cc = array();
		$this->bcc = array();
		$this->all_recipients = array();
	}

	/**
	 * Clears all previously set filesystem, string, and binary
	 * attachments.  Returns void.
	 *
	 * @return void
	 */
	public function ClearAttachments() {
		$this->attachment = array();
	}

	/**
	 * Clears all custom headers.  Returns void.
	 *
	 * @return void
	 */
	public function ClearCustomHeaders() {
		$this->CustomHeader = array();
	}

	/////////////////////////////////////////////////
	// CLASS METHODS, MISCELLANEOUS
	/////////////////////////////////////////////////

	/**
	 * Adds the error message to the error container.
	 *
	 * @access protected
	 *
	 * @param string $msg
	 *
	 * @return void
	 */
	protected function SetError($msg) {
		$this->error_count++;
		if ($this->Mailer == 'smtp' and !is_null($this->smtp))
		{
			$lasterror = $this->smtp->getError();
			if (!empty($lasterror) and array_key_exists('smtp_msg', $lasterror))
			{
				$msg .= '<p>' . $this->Lang('smtp_error') . $lasterror['smtp_msg'] . "</p>\n";
			}
		}
		$this->ErrorInfo = $msg;
	}

	/**
	 * Returns the proper RFC 822 formatted date.
	 *
	 * @access public
	 * @return string
	 * @static
	 */
	public static function RFCDate() {
		//Set the time zone to whatever the default is to avoid 500 errors
		//Will default to UTC if it's not set properly in php.ini
		date_default_timezone_set(@date_default_timezone_get());

		return date('D, j M Y H:i:s O');
	}

	/**
	 * Returns the server hostname or 'localhost.localdomain' if unknown.
	 *
	 * @access protected
	 * @return string
	 */
	protected function ServerHostname() {
		if (!empty($this->Hostname))
		{
			$result = $this->Hostname;
		}
		elseif (isset($_SERVER['SERVER_NAME']))
		{
			$result = $_SERVER['SERVER_NAME'];
		}
		else
		{
			$result = 'localhost.localdomain';
		}

		return $result;
	}

	/**
	 * Returns a message in the appropriate language.
	 *
	 * @access protected
	 *
	 * @param string $key
	 *
	 * @return string
	 */
	protected function Lang($key) {
		if (count($this->language) < 1)
		{
			$this->SetLanguage('en'); // set the default language
		}

		if (isset($this->language[$key]))
		{
			return $this->language[$key];
		}
		else
		{
			return 'Language string failed to load: ' . $key;
		}
	}

	/**
	 * Returns true if an error occurred.
	 *
	 * @access public
	 * @return bool
	 */
	public function IsError() {
		return ($this->error_count > 0);
	}

	/**
	 * Changes every end of line from CRLF, CR or LF to $this->LE.
	 *
	 * @access public
	 *
	 * @param string $str String to FixEOL
	 *
	 * @return string
	 */
	public function FixEOL($str) {
		// condense down to \n
		$nstr = str_replace(array("\r\n", "\r"), "\n", $str);
		// Now convert LE as needed
		if ($this->LE !== "\n")
		{
			$nstr = str_replace("\n", $this->LE, $nstr);
		}

		return $nstr;
	}

	/**
	 * Adds a custom header. $name value can be overloaded to contain
	 * both header name and value (name:value)
	 *
	 * @access public
	 *
	 * @param string $name  custom header name
	 * @param string $value header value
	 *
	 * @return void
	 */
	public function AddCustomHeader($name, $value = null) {
		if ($value === null)
		{
			// Value passed in as name:value
			$this->CustomHeader[] = explode(':', $name, 2);
		}
		else
		{
			$this->CustomHeader[] = array($name, $value);
		}
	}

	/**
	 * Creates a message from an HTML string, making modifications for inline images and backgrounds
	 * and creates a plain-text version by converting the HTML
	 * Overwrites any existing values in $this->Body and $this->AltBody
	 *
	 * @access public
	 *
	 * @param string $message  HTML message string
	 * @param string $basedir  baseline directory for path
	 * @param bool   $advanced Whether to use the advanced HTML to text converter
	 *
	 * @return string $message
	 */
	public function MsgHTML($message, $basedir = '', $advanced = false) {
		preg_match_all("/(src|background)=[\"'](.*)[\"']/Ui", $message, $images);
		if (isset($images[2]))
		{
			foreach ($images[2] as $i => $url)
			{
				// do not change urls for absolute images (thanks to corvuscorax)
				if (!preg_match('#^[A-z]+://#', $url))
				{
					$filename = basename($url);
					$directory = dirname($url);
					if ($directory == '.')
					{
						$directory = '';
					}
					$cid = md5($url) . '@phpmailer.0'; //RFC2392 S 2
					if (strlen($basedir) > 1 && substr($basedir, -1) != '/')
					{
						$basedir .= '/';
					}
					if (strlen($directory) > 1 && substr($directory, -1) != '/')
					{
						$directory .= '/';
					}
					if ($this->AddEmbeddedImage($basedir . $directory . $filename, $cid, $filename, 'base64', self::_mime_types(self::mb_pathinfo($filename, PATHINFO_EXTENSION))))
					{
						$message = preg_replace("/" . $images[1][$i] . "=[\"']" . preg_quote($url, '/') . "[\"']/Ui", $images[1][$i] . "=\"cid:" . $cid . "\"", $message);
					}
				}
			}
		}
		$this->IsHTML(true);
		if (empty($this->AltBody))
		{
			$this->AltBody = 'To view this email message, open it in a program that understands HTML!' . "\n\n";
		}
		//Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better
		$this->Body = $this->NormalizeBreaks($message);
		$this->AltBody = $this->NormalizeBreaks($this->html2text($message, $advanced));

		return $this->Body;
	}

	/**
	 * Convert an HTML string into a plain text version
	 *
	 * @param string $html     The HTML text to convert
	 * @param bool   $advanced Should this use the more complex html2text converter or just a simple one?
	 *
	 * @return string
	 */
	public function html2text($html, $advanced = false) {
		if ($advanced)
		{
			require_once 'extras/class.html2text.php';
			$h = new html2text($html);

			return $h->get_text();
		}

		return html_entity_decode(trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/si', '', $html))), ENT_QUOTES, $this->CharSet);
	}

	/**
	 * Gets the MIME type of the embedded or inline image
	 *
	 * @param string $ext File extension
	 *
	 * @access public
	 * @return string MIME type of ext
	 * @static
	 */
	public static function _mime_types($ext = '') {
		$mimes = array(
				'xl' => 'application/excel',
				'hqx' => 'application/mac-binhex40',
				'cpt' => 'application/mac-compactpro',
				'bin' => 'application/macbinary',
				'doc' => 'application/msword',
				'word' => 'application/msword',
				'class' => 'application/octet-stream',
				'dll' => 'application/octet-stream',
				'dms' => 'application/octet-stream',
				'exe' => 'application/octet-stream',
				'lha' => 'application/octet-stream',
				'lzh' => 'application/octet-stream',
				'psd' => 'application/octet-stream',
				'sea' => 'application/octet-stream',
				'so' => 'application/octet-stream',
				'oda' => 'application/oda',
				'pdf' => 'application/pdf',
				'ai' => 'application/postscript',
				'eps' => 'application/postscript',
				'ps' => 'application/postscript',
				'smi' => 'application/smil',
				'smil' => 'application/smil',
				'mif' => 'application/vnd.mif',
				'xls' => 'application/vnd.ms-excel',
				'ppt' => 'application/vnd.ms-powerpoint',
				'wbxml' => 'application/vnd.wap.wbxml',
				'wmlc' => 'application/vnd.wap.wmlc',
				'dcr' => 'application/x-director',
				'dir' => 'application/x-director',
				'dxr' => 'application/x-director',
				'dvi' => 'application/x-dvi',
				'gtar' => 'application/x-gtar',
				'php3' => 'application/x-httpd-php',
				'php4' => 'application/x-httpd-php',
				'php' => 'application/x-httpd-php',
				'phtml' => 'application/x-httpd-php',
				'phps' => 'application/x-httpd-php-source',
				'js' => 'application/x-javascript',
				'swf' => 'application/x-shockwave-flash',
				'sit' => 'application/x-stuffit',
				'tar' => 'application/x-tar',
				'tgz' => 'application/x-tar',
				'xht' => 'application/xhtml+xml',
				'xhtml' => 'application/xhtml+xml',
				'zip' => 'application/zip',
				'mid' => 'audio/midi',
				'midi' => 'audio/midi',
				'mp2' => 'audio/mpeg',
				'mp3' => 'audio/mpeg',
				'mpga' => 'audio/mpeg',
				'aif' => 'audio/x-aiff',
				'aifc' => 'audio/x-aiff',
				'aiff' => 'audio/x-aiff',
				'ram' => 'audio/x-pn-realaudio',
				'rm' => 'audio/x-pn-realaudio',
				'rpm' => 'audio/x-pn-realaudio-plugin',
				'ra' => 'audio/x-realaudio',
				'wav' => 'audio/x-wav',
				'bmp' => 'image/bmp',
				'gif' => 'image/gif',
				'jpeg' => 'image/jpeg',
				'jpe' => 'image/jpeg',
				'jpg' => 'image/jpeg',
				'png' => 'image/png',
				'tiff' => 'image/tiff',
				'tif' => 'image/tiff',
				'eml' => 'message/rfc822',
				'css' => 'text/css',
				'html' => 'text/html',
				'htm' => 'text/html',
				'shtml' => 'text/html',
				'log' => 'text/plain',
				'text' => 'text/plain',
				'txt' => 'text/plain',
				'rtx' => 'text/richtext',
				'rtf' => 'text/rtf',
				'xml' => 'text/xml',
				'xsl' => 'text/xml',
				'mpeg' => 'video/mpeg',
				'mpe' => 'video/mpeg',
				'mpg' => 'video/mpeg',
				'mov' => 'video/quicktime',
				'qt' => 'video/quicktime',
				'rv' => 'video/vnd.rn-realvideo',
				'avi' => 'video/x-msvideo',
				'movie' => 'video/x-sgi-movie'
		);

		return (!isset($mimes[strtolower($ext)])) ? 'application/octet-stream' : $mimes[strtolower($ext)];
	}

	/**
	 * Try to map a file name to a MIME type, default to application/octet-stream
	 *
	 * @param string $filename A file name or full path, does not need to exist as a file
	 *
	 * @return string
	 * @static
	 */
	public static function filenameToType($filename) {
		//In case the path is a URL, strip any query string before getting extension
		$qpos = strpos($filename, '?');
		if ($qpos !== false)
		{
			$filename = substr($filename, 0, $qpos);
		}
		$pathinfo = self::mb_pathinfo($filename);

		return self::_mime_types($pathinfo['extension']);
	}

	/**
	 * Drop-in replacement for pathinfo(), but multibyte-safe, cross-platform-safe, old-version-safe.
	 * Works similarly to the one in PHP >= 5.2.0
	 *
	 * @link http://www.php.net/manual/en/function.pathinfo.php#107461
	 *
	 * @param string         $path    A filename or path, does not need to exist as a file
	 * @param integer|string $options Either a PATHINFO_* constant, or a string name to return only the specified piece, allows 'filename' to work on PHP < 5.2
	 *
	 * @return string|array
	 * @static
	 */
	public static function mb_pathinfo($path, $options = null) {
		$ret = array('dirname' => '', 'basename' => '', 'extension' => '', 'filename' => '');
		$m = array();
		preg_match('%^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^\.\\\\/]+?)|))[\\\\/\.]*$%im', $path, $m);
		if (array_key_exists(1, $m))
		{
			$ret['dirname'] = $m[1];
		}
		if (array_key_exists(2, $m))
		{
			$ret['basename'] = $m[2];
		}
		if (array_key_exists(5, $m))
		{
			$ret['extension'] = $m[5];
		}
		if (array_key_exists(3, $m))
		{
			$ret['filename'] = $m[3];
		}
		switch ($options)
		{
			case PATHINFO_DIRNAME:
			case 'dirname':
				return $ret['dirname'];
				break;
			case PATHINFO_BASENAME:
			case 'basename':
				return $ret['basename'];
				break;
			case PATHINFO_EXTENSION:
			case 'extension':
				return $ret['extension'];
				break;
			case PATHINFO_FILENAME:
			case 'filename':
				return $ret['filename'];
				break;
			default:
				return $ret;
		}
	}

	/**
	 * Set (or reset) Class Objects (variables)
	 *
	 * Usage Example:
	 * $page->set('X-Priority', '3');
	 *
	 * @access public
	 *
	 * @param string $name
	 * @param mixed  $value
	 * NOTE: will not work with arrays, there are no arrays to set/reset
	 *
	 * @throws phpmailerException
	 * @return bool
	 * @todo   Should this not be using __set() magic function?
	 */
	public function set($name, $value = '') {
		try
		{
			if (isset($this->$name))
			{
				$this->$name = $value;
			}
			else
			{
				throw new phpmailerException($this->Lang('variable_set') . $name, self::STOP_CRITICAL);
			}
		} catch (Exception $e)
		{
			$this->SetError($e->getMessage());
			if ($e->getCode() == self::STOP_CRITICAL)
			{
				return false;
			}
		}

		return true;
	}

	/**
	 * Strips newlines to prevent header injection.
	 *
	 * @access public
	 *
	 * @param string $str
	 *
	 * @return string
	 */
	public function SecureHeader($str) {
		return trim(str_replace(array("\r", "\n"), '', $str));
	}

	/**
	 * Normalize UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format
	 * Defaults to CRLF (for message bodies) and preserves consecutive breaks
	 *
	 * @param string $text
	 * @param string $breaktype What kind of line break to use, defaults to CRLF
	 *
	 * @return string
	 * @access public
	 * @static
	 */
	public static function NormalizeBreaks($text, $breaktype = "\r\n") {
		return preg_replace('/(\r\n|\r|\n)/ms', $breaktype, $text);
	}


	/**
	 * Set the private key file and password to sign the message.
	 *
	 * @access public
	 *
	 * @param string $cert_filename
	 * @param string $key_filename
	 * @param string $key_pass Password for private key
	 */
	public function Sign($cert_filename, $key_filename, $key_pass) {
		$this->sign_cert_file = $cert_filename;
		$this->sign_key_file = $key_filename;
		$this->sign_key_pass = $key_pass;
	}

	/**
	 * Set the private key file and password to sign the message.
	 *
	 * @access public
	 *
	 * @param string $txt
	 *
	 * @return string
	 */
	public function DKIM_QP($txt) {
		$line = '';
		for ($i = 0; $i < strlen($txt); $i++)
		{
			$ord = ord($txt[$i]);
			if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E)))
			{
				$line .= $txt[$i];
			}
			else
			{
				$line .= "=" . sprintf("%02X", $ord);
			}
		}

		return $line;
	}

	/**
	 * Generate DKIM signature
	 *
	 * @access public
	 *
	 * @param string $s Header
	 *
	 * @throws phpmailerException
	 * @return string
	 */
	public function DKIM_Sign($s) {
		if (!defined('PKCS7_TEXT'))
		{
			if ($this->exceptions)
			{
				throw new phpmailerException($this->Lang("signing") . ' OpenSSL extension missing.');
			}

			return '';
		}
		$privKeyStr = file_get_contents($this->DKIM_private);
		if ($this->DKIM_passphrase != '')
		{
			$privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
		}
		else
		{
			$privKey = $privKeyStr;
		}
		if (openssl_sign($s, $signature, $privKey))
		{
			return base64_encode($signature);
		}

		return '';
	}

	/**
	 * Generate DKIM Canonicalization Header
	 *
	 * @access public
	 *
	 * @param string $s Header
	 *
	 * @return string
	 */
	public function DKIM_HeaderC($s) {
		$s = preg_replace("/\r\n\s+/", " ", $s);
		$lines = explode("\r\n", $s);
		foreach ($lines as $key => $line)
		{
			list($heading, $value) = explode(":", $line, 2);
			$heading = strtolower($heading);
			$value = preg_replace("/\s+/", " ", $value); // Compress useless spaces
			$lines[$key] = $heading . ":" . trim($value); // Don't forget to remove WSP around the value
		}
		$s = implode("\r\n", $lines);

		return $s;
	}

	/**
	 * Generate DKIM Canonicalization Body
	 *
	 * @access public
	 *
	 * @param string $body Message Body
	 *
	 * @return string
	 */
	public function DKIM_BodyC($body) {
		if ($body == '')
			return "\r\n";
		// stabilize line endings
		$body = str_replace("\r\n", "\n", $body);
		$body = str_replace("\n", "\r\n", $body);
		// END stabilize line endings
		while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n")
		{
			$body = substr($body, 0, strlen($body) - 2);
		}

		return $body;
	}

	/**
	 * Create the DKIM header, body, as new header
	 *
	 * @access public
	 *
	 * @param string $headers_line Header lines
	 * @param string $subject      Subject
	 * @param string $body         Body
	 *
	 * @return string
	 */
	public function DKIM_Add($headers_line, $subject, $body) {
		$DKIMsignatureType = 'rsa-sha1'; // Signature & hash algorithms
		$DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
		$DKIMquery = 'dns/txt'; // Query method
		$DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
		$subject_header = "Subject: $subject";
		$headers = explode($this->LE, $headers_line);
		$from_header = '';
		$to_header = '';
		$current = '';
		foreach ($headers as $header)
		{
			if (strpos($header, 'From:') === 0)
			{
				$from_header = $header;
				$current = 'from_header';
			}
			elseif (strpos($header, 'To:') === 0)
			{
				$to_header = $header;
				$current = 'to_header';
			}
			else
			{
				if ($current && strpos($header, ' =?') === 0)
				{
					$$current .= $header;
				}
				else
				{
					$current = '';
				}
			}
		}
		$from = str_replace('|', '=7C', $this->DKIM_QP($from_header));
		$to = str_replace('|', '=7C', $this->DKIM_QP($to_header));
		$subject = str_replace('|', '=7C', $this->DKIM_QP($subject_header)); // Copied header fields (dkim-quoted-printable
		$body = $this->DKIM_BodyC($body);
		$DKIMlen = strlen($body); // Length of body
		$DKIMb64 = base64_encode(pack("H*", sha1($body))); // Base64 of packed binary SHA-1 hash of body
		$ident = ($this->DKIM_identity == '') ? '' : " i=" . $this->DKIM_identity . ";";
		$dkimhdrs = "DKIM-Signature: v=1; a=" . $DKIMsignatureType . "; q=" . $DKIMquery . "; l=" . $DKIMlen . "; s=" . $this->DKIM_selector . ";\r\n" . "\tt=" . $DKIMtime . "; c=" . $DKIMcanonicalization . ";\r\n" . "\th=From:To:Subject;\r\n" . "\td=" . $this->DKIM_domain . ";" . $ident . "\r\n" . "\tz=$from\r\n" . "\t|$to\r\n" . "\t|$subject;\r\n" . "\tbh=" . $DKIMb64 . ";\r\n" . "\tb=";
		$toSign = $this->DKIM_HeaderC($from_header . "\r\n" . $to_header . "\r\n" . $subject_header . "\r\n" . $dkimhdrs);
		$signed = $this->DKIM_Sign($toSign);

		return $dkimhdrs . $signed . "\r\n";
	}

	/**
	 * Perform callback
	 *
	 * @param boolean $isSent
	 * @param string  $to
	 * @param string  $cc
	 * @param string  $bcc
	 * @param string  $subject
	 * @param string  $body
	 * @param string  $from
	 */
	protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from = null) {
		if (!empty($this->action_function) && is_callable($this->action_function))
		{
			$params = array($isSent, $to, $cc, $bcc, $subject, $body, $from);
			call_user_func_array($this->action_function, $params);
		}
	}
}

/**
 * Exception handler for PHPMailer
 *
 * @package PHPMailer
 */
class phpmailerException extends Exception {
	/**
	 * Prettify error message output
	 *
	 * @return string
	 */
	public function errorMessage() {
		$errorMsg = '<strong>' . $this->getMessage() . "</strong><br />\n";

		return $errorMsg;
	}
}
